import java.util.Deque;
import java.util.LinkedList;
import java.util.Queue;

public class Test1 {
    public static void main(String[] args) {
       MyQueue myQueue = new MyQueue();
       myQueue.offer(1);
       myQueue.offer(2);
        myQueue.offer(3);
        System.out.println(myQueue.peek());
    }
}
